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The AAPG/Datapages Combined Publications Database
Showing 5,919 Results. Searched 200,357 documents.
Determination of Drag Coefficients in Measuring Particle Diameters
Weinan Chen
Journal of Sedimentary Research (SEPM)
.... The measured aerodynamic-equivalent diameters of spherical particles equal their geometric diameters with a shape factor of unity. The aerodynamic-equivalent...
2003
Phanerozoic Relative Motions of North Atlantic Arctic Lands
W. Brian Harland
CSPG Special Publications
... for Ancient Sea-floor spreading from Alpha Cordillera and Mendeleyev Ridge, in Arctic Geology; Amer. Assoc. Petrol. Geol., Mem. 19, p. 542-561...
1975
Abstract: Exploitation of the Radar Images Geometric Deformations to the Quantification of Dips and 3D Modeling
Emmanuel Pajot, Jean Paul Rudant, and Damien Dhont
Search and Discovery.com
...Abstract: Exploitation of the Radar Images Geometric Deformations to the Quantification of Dips and 3D Modeling Emmanuel Pajot, Jean Paul Rudant...
2008
The Use of Paleomagnetic Studies in Understanding the Complex Tertiary Tectonic History of East and Southeast Asia
R. McCabe, D. Merrill, J.T. Cole, E. Lumadyo
Circum Pacific Council Publications
... a rapid rate of opening of greater than 60 em/year; a rate much faster than any known spreading rate. This rigid block rotational model assumes...
1996
Abstract: Amazing Displays of Deformation Band Shear Zones Within Structure-Tectonic Systems of the Colorado Plateau . . . From Zion to Bryce and Beyond, by Davis, George H.; #90929 (1998).
Search and Discovery.com
1998
Exploration Challenges and Perspectives of Hyper-Extended Rift Systems: A Northern Red Sea Viewpoint
Search and Discovery.com
N/A
Thoughts and Speculations on Geodynamic Processes: Chapter 10
Peter A. Ziegler
AAPG Special Volumes
... hand, was associated with the opening of new oceanic basins, some of which are today no longer characterized by active spreading ridges. The main...
1988
Estimation of Arithmetic Permeability from a Semi-Log Porosity/Log10 Permeability Regression; #41583 (2015)
Gregory Benson
Search and Discovery.com
... completely random nor perfectly correlated, with reality being somewhere between these extremes. Theoretically, a geometric permeability average approximates...
2015
An Electronic Seismic Dip Plotter
J. A. Westphal
Oklahoma City Geological Society
...°. Geometric errors in alignment of the geophone spreads along a dip line usually negate any attempt to determine accurate dips much over 20°. The plotter...
1958
Heat flow and thermal conductivity measurements in the northeastern Pennsylvania Appalachian Basin depocenter
Chelsea Rauch, Kyle Barrie, Steven C. Collins, Matthew J. Hornbach, and Casey Brokaw
AAPG Bulletin
... using a standard geometric mean saturation correction (equations 2, 3) described by Blackwell and Spafford (1987) and Beardsmore and Cull (2001...
2018
An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)
JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE
AAPG Bulletin
..., and was successful in collapsing the complex airgun signature into a clean spike. True-Amplitude Recovery A geometric spreading correction...
1991
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... is the source point. The geometric spreading function E in equation 4 is determined by >J (x) / J (x 0 )@1/ 2 , (5) where J(x) is the Jacobian...
Unknown
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... is the source point. The geometric spreading function E in equation 4 is determined by >J (x) / J (x 0 )@1/ 2 , (5) where J(x) is the Jacobian...
Unknown
Geologic Notes Thermal Model Confirmed
Jack G. Elam
West Texas Geological Society
... those ridges that are spreading the fastest. However, those studying these phenomena could not relate them to gravity measurements being obtained from...
1988
A Quantitative Model for Salt Deposition in Actively Spreading Basins; #30117 (2010)
Bernard Montaron and Paul Tapponnier
Search and Discovery.com
...A Quantitative Model for Salt Deposition in Actively Spreading Basins; #30117 (2010) Bernard Montaron and Paul Tapponnier Click to view presentation...
2010
Adjustments of Velocity Logs to Tie Geophone Surveys
Warren Hicks
Oklahoma City Geological Society
...Adjustments of Velocity Logs to Tie Geophone Surveys Warren Hicks 1961 135 138 Kokesh, F. P. and Blizard, R. B.: Geometric Factors in Sonic Logging...
1961
A Planetary View of Mesozoic Plate Tectonics in the Gulf of Mexico, by Richard H. Fillon, #30032 (2005).
Search and Discovery.com
2005
Best Practice Structural Modelling and Kinematic Algorithms Used for Geometric and Sequential Restoration in Salt Basins
Search and Discovery.com
N/A
Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)
Arnim B. Haase and Robert R. Stewart
Search and Discovery.com
... bandwidth, 2) poorly constrained multiple scattering, and 3) geometric spreading losses. By contrast, the popular spectral ratio method of Q-estimation...
2013
New Global Tectonics and "The New Geometry": DISCUSSION
Robert S. Dietz
AAPG Bulletin
..., no. 5305, p. 20-23. Le Pichon, X., and J. R. Heirtzler, 1968, Magnetic anomalies in the Indian Ocean and sea-floor spreading: Jour. Geophys. Research, v. 73...
1973
Performance of Lower-Porosity Nugget Reservoirs, Anschutz Ranch East, Bessie Bottom, and North Pineview Fields, Utah and Wyoming
William J. Sercombe
Rocky Mountain Association of Geologists
.... The geometric average of cck90y’ permeabilities measured on the Bessie Bottom core was 0,64 md, where kgOis the lesser of two whole-core permeability...
1989
Geochemistry and Petrology of Volcanic Rocks from the Woodlark Basin: Addressing Questions of Ridge Subduction
M. R. Perfit, C. H. Langmuir, M. Backisapa, B. Chappell, R. W. Johnson, H. Staudigel, S. R. Taylor
Circum Pacific Council Publications
... ABSTRACT The Woodlark Basin consists primarily of crust formed at the Woodlark spreading center over the last five million years. The basin...
1987
Analysis of Scale Exaggeration on Seismic Profiles (1)
DONALD S. STONE
AAPG Bulletin
... exaggeration factors, exaggerated dips, unexaggerated dips, and correction factors which are derived from the ratio of exaggerated orthogonal thicknesses...
1991
Size Analysis of Silt and Clay by Hydrophotometer: REPLY
Clifton F. Jordan, Jr.
Journal of Sedimentary Research (SEPM)
.... However, Mr. Tilly has pointed out that the values of mid-diameters in Table 1 on page 490 were presented as arithmetic means rather than as geometric...
1977
Estimation of Arithmetic Permeability From a Semi-Log Poro/log10Perm Regression
Search and Discovery.com
N/A